^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright 2017 NXP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * The code contained herein is licensed under the GNU General Public
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * License. You may obtain a copy of the GNU General Public License
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Version 2 or later at the following locations:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * https://www.opensource.org/licenses/gpl-license.html
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * https://www.gnu.org/copyleft/gpl.html
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/of_platform.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/clk.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <sound/soc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <sound/soc-dapm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/pm_runtime.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include "fsl_sai.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include "fsl_audmix.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) struct imx_audmix {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) struct platform_device *pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) struct snd_soc_card card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) struct platform_device *audmix_pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) struct platform_device *out_pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) struct clk *cpu_mclk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) int num_dai;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) struct snd_soc_dai_link *dai;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) int num_dai_conf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) struct snd_soc_codec_conf *dai_conf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) int num_dapm_routes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) struct snd_soc_dapm_route *dapm_routes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) static const u32 imx_audmix_rates[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 8000, 12000, 16000, 24000, 32000, 48000, 64000, 96000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) static const struct snd_pcm_hw_constraint_list imx_audmix_rate_constraints = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) .count = ARRAY_SIZE(imx_audmix_rates),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) .list = imx_audmix_rates,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) static int imx_audmix_fe_startup(struct snd_pcm_substream *substream)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) struct imx_audmix *priv = snd_soc_card_get_drvdata(rtd->card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) struct snd_pcm_runtime *runtime = substream->runtime;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) struct device *dev = rtd->card->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) unsigned long clk_rate = clk_get_rate(priv->cpu_mclk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) if (clk_rate % 24576000 == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) ret = snd_pcm_hw_constraint_list(runtime, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) SNDRV_PCM_HW_PARAM_RATE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) &imx_audmix_rate_constraints);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) dev_warn(dev, "mclk may be not supported %lu\n", clk_rate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) ret = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_CHANNELS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 1, 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) return snd_pcm_hw_constraint_mask64(runtime, SNDRV_PCM_HW_PARAM_FORMAT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) FSL_AUDMIX_FORMATS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) static int imx_audmix_fe_hw_params(struct snd_pcm_substream *substream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) struct snd_pcm_hw_params *params)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) struct device *dev = rtd->card->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) unsigned int fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) u32 channels = params_channels(params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) int ret, dir;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) /* For playback the AUDMIX is slave, and for record is master */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) fmt |= tx ? SND_SOC_DAIFMT_CBS_CFS : SND_SOC_DAIFMT_CBM_CFM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) dir = tx ? SND_SOC_CLOCK_OUT : SND_SOC_CLOCK_IN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) /* set DAI configuration */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) ret = snd_soc_dai_set_fmt(asoc_rtd_to_cpu(rtd, 0), fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) dev_err(dev, "failed to set cpu dai fmt: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) ret = snd_soc_dai_set_sysclk(asoc_rtd_to_cpu(rtd, 0), FSL_SAI_CLK_MAST1, 0, dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) dev_err(dev, "failed to set cpu sysclk: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) * Per datasheet, AUDMIX expects 8 slots and 32 bits
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) * for every slot in TDM mode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_cpu(rtd, 0), BIT(channels) - 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) BIT(channels) - 1, 8, 32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) dev_err(dev, "failed to set cpu dai tdm slot: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) static int imx_audmix_be_hw_params(struct snd_pcm_substream *substream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) struct snd_pcm_hw_params *params)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) struct device *dev = rtd->card->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) unsigned int fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) if (!tx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) /* For playback the AUDMIX is slave */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) fmt |= SND_SOC_DAIFMT_CBM_CFM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) /* set AUDMIX DAI configuration */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) ret = snd_soc_dai_set_fmt(asoc_rtd_to_cpu(rtd, 0), fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) dev_err(dev, "failed to set AUDMIX DAI fmt: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) static struct snd_soc_ops imx_audmix_fe_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) .startup = imx_audmix_fe_startup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) .hw_params = imx_audmix_fe_hw_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) static struct snd_soc_ops imx_audmix_be_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) .hw_params = imx_audmix_be_hw_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) static int imx_audmix_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) struct device_node *np = pdev->dev.of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) struct device_node *audmix_np = NULL, *out_cpu_np = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) struct platform_device *audmix_pdev = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) struct platform_device *cpu_pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) struct of_phandle_args args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) struct imx_audmix *priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) int i, num_dai, ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) const char *fe_name_pref = "HiFi-AUDMIX-FE-";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) char *be_name, *be_pb, *be_cp, *dai_name, *capture_dai_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) if (pdev->dev.parent) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) audmix_np = pdev->dev.parent->of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) dev_err(&pdev->dev, "Missing parent device.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) if (!audmix_np) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) dev_err(&pdev->dev, "Missing DT node for parent device.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) audmix_pdev = of_find_device_by_node(audmix_np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) if (!audmix_pdev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) dev_err(&pdev->dev, "Missing AUDMIX platform device for %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) np->full_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) put_device(&audmix_pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) num_dai = of_count_phandle_with_args(audmix_np, "dais", NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) if (num_dai != FSL_AUDMIX_MAX_DAIS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) dev_err(&pdev->dev, "Need 2 dais to be provided for %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) audmix_np->full_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) if (!priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) priv->num_dai = 2 * num_dai;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) priv->dai = devm_kcalloc(&pdev->dev, priv->num_dai,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) sizeof(struct snd_soc_dai_link), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) if (!priv->dai)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) priv->num_dai_conf = num_dai;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) priv->dai_conf = devm_kcalloc(&pdev->dev, priv->num_dai_conf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) sizeof(struct snd_soc_codec_conf),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) if (!priv->dai_conf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) priv->num_dapm_routes = 3 * num_dai;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) priv->dapm_routes = devm_kcalloc(&pdev->dev, priv->num_dapm_routes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) sizeof(struct snd_soc_dapm_route),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) if (!priv->dapm_routes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) for (i = 0; i < num_dai; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) struct snd_soc_dai_link_component *dlc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) /* for CPU/Codec/Platform x 2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) dlc = devm_kcalloc(&pdev->dev, 6, sizeof(*dlc), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) if (!dlc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) dev_err(&pdev->dev, "failed to allocate dai_link\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) ret = of_parse_phandle_with_args(audmix_np, "dais", NULL, i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) &args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) dev_err(&pdev->dev, "of_parse_phandle_with_args failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) cpu_pdev = of_find_device_by_node(args.np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) if (!cpu_pdev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) dev_err(&pdev->dev, "failed to find SAI platform device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) put_device(&cpu_pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) dai_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s%s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) fe_name_pref, args.np->full_name + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) dev_info(pdev->dev.parent, "DAI FE name:%s\n", dai_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) if (i == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) out_cpu_np = args.np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) capture_dai_name =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s %s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) dai_name, "CPU-Capture");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) priv->dai[i].cpus = &dlc[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) priv->dai[i].codecs = &dlc[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) priv->dai[i].platforms = &dlc[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) priv->dai[i].num_cpus = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) priv->dai[i].num_codecs = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) priv->dai[i].num_platforms = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) priv->dai[i].name = dai_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) priv->dai[i].stream_name = "HiFi-AUDMIX-FE";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) priv->dai[i].codecs->dai_name = "snd-soc-dummy-dai";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) priv->dai[i].codecs->name = "snd-soc-dummy";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) priv->dai[i].cpus->of_node = args.np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) priv->dai[i].cpus->dai_name = dev_name(&cpu_pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) priv->dai[i].platforms->of_node = args.np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) priv->dai[i].dynamic = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) priv->dai[i].dpcm_playback = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) priv->dai[i].dpcm_capture = (i == 0 ? 1 : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) priv->dai[i].ignore_pmdown_time = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) priv->dai[i].ops = &imx_audmix_fe_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) /* Add AUDMIX Backend */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) be_name = devm_kasprintf(&pdev->dev, GFP_KERNEL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) "audmix-%d", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) be_pb = devm_kasprintf(&pdev->dev, GFP_KERNEL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) "AUDMIX-Playback-%d", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) be_cp = devm_kasprintf(&pdev->dev, GFP_KERNEL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) "AUDMIX-Capture-%d", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) priv->dai[num_dai + i].cpus = &dlc[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) priv->dai[num_dai + i].codecs = &dlc[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) priv->dai[num_dai + i].platforms = &dlc[5];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) priv->dai[num_dai + i].num_cpus = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) priv->dai[num_dai + i].num_codecs = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) priv->dai[num_dai + i].num_platforms = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) priv->dai[num_dai + i].name = be_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) priv->dai[num_dai + i].codecs->dai_name = "snd-soc-dummy-dai";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) priv->dai[num_dai + i].codecs->name = "snd-soc-dummy";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) priv->dai[num_dai + i].cpus->of_node = audmix_np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) priv->dai[num_dai + i].cpus->dai_name = be_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) priv->dai[num_dai + i].platforms->name = "snd-soc-dummy";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) priv->dai[num_dai + i].no_pcm = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) priv->dai[num_dai + i].dpcm_playback = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) priv->dai[num_dai + i].dpcm_capture = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) priv->dai[num_dai + i].ignore_pmdown_time = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) priv->dai[num_dai + i].ops = &imx_audmix_be_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) priv->dai_conf[i].dlc.of_node = args.np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) priv->dai_conf[i].name_prefix = dai_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) priv->dapm_routes[i].source =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s %s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) dai_name, "CPU-Playback");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) priv->dapm_routes[i].sink = be_pb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) priv->dapm_routes[num_dai + i].source = be_pb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) priv->dapm_routes[num_dai + i].sink = be_cp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) priv->dapm_routes[2 * num_dai + i].source = be_cp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) priv->dapm_routes[2 * num_dai + i].sink = capture_dai_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) cpu_pdev = of_find_device_by_node(out_cpu_np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) if (!cpu_pdev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) dev_err(&pdev->dev, "failed to find SAI platform device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) put_device(&cpu_pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) priv->cpu_mclk = devm_clk_get(&cpu_pdev->dev, "mclk1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) if (IS_ERR(priv->cpu_mclk)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) ret = PTR_ERR(priv->cpu_mclk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) dev_err(&cpu_pdev->dev, "failed to get DAI mclk1: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) priv->audmix_pdev = audmix_pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) priv->out_pdev = cpu_pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) priv->card.dai_link = priv->dai;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) priv->card.num_links = priv->num_dai;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) priv->card.codec_conf = priv->dai_conf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) priv->card.num_configs = priv->num_dai_conf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) priv->card.dapm_routes = priv->dapm_routes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) priv->card.num_dapm_routes = priv->num_dapm_routes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) priv->card.dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) priv->card.owner = THIS_MODULE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) priv->card.name = "imx-audmix";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) platform_set_drvdata(pdev, &priv->card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) snd_soc_card_set_drvdata(&priv->card, priv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) ret = devm_snd_soc_register_card(&pdev->dev, &priv->card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) dev_err(&pdev->dev, "snd_soc_register_card failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) static struct platform_driver imx_audmix_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) .probe = imx_audmix_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) .name = "imx-audmix",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) .pm = &snd_soc_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) module_platform_driver(imx_audmix_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) MODULE_DESCRIPTION("NXP AUDMIX ASoC machine driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) MODULE_AUTHOR("Viorel Suman <viorel.suman@nxp.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) MODULE_ALIAS("platform:imx-audmix");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) MODULE_LICENSE("GPL v2");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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